"""Programmatic construction for Book I, Definition 3 (I.def.3 — extremities of a segment).
The extremities of a segment are points.
"""
from __future__ import annotations
from geometor.model import Model
def construct_g1() -> Model:
"""Construct the foundational figure for I.def.3 (extremities A, B of segment / A B /)."""
model = Model("I.def.3")
A = model.set_point(0, 0, classes=["given"], ID="A")
B = model.set_point(1, 0, classes=["given"], ID="B")
model.set_segment(A, B)
return model
if __name__ == "__main__":
construct_g1()
